# Tutor Lily vs Kalkulus

The clearest difference is in-app purchases: Kalkulus at none against Tutor Lily's 15. Tutor Lily's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Tutor Lily sells 15 in-app purchases, starting at $0.99 per 7 days. Kalkulus asks for nothing beyond the download.

Tutor Lily ships an update fortnightly, Kalkulus every 9 days. The most recent releases landed on October 23, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Tutor Lily | Kalkulus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (242 ratings)](https://appshunter.io/ios/app/tutor-lily-ai-language-tutor/id6448189123/reviews)** | — |
| Number of ratings | **242** | — |
| Positive reviews | 45.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 60 MB | 107 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tutor Lily Inc.](https://appshunter.io/developer/1683846536) | [cornelius vincent](https://appshunter.io/developer/6794882158) |

## What reviewers say

### Tutor Lily

[App page](https://appshunter.io/ios/app/tutor-lily-ai-language-tutor/id6448189123)

Engage in natural conversations to build real language fluency. This AI tutor remembers your progress and interests, adapting sessions to your goals and mistakes. Practice real-world scenarios and receive gentle corrections for effective learning.

**Highlights:** Natural conversation practice, Personalized learning based on goals, Real-time, gentle corrections, Smart vocabulary building, Adaptive difficulty levels, Practice real-world scenarios, Pronunciation coaching

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly PRO $1 | $0.99 | per 7 days |
| Weekly PRO Membership | $4.99 | per 7 days |
| Monthly PRO Membership | $9.99 | per month |
| Monthly PRO Membership | $11.99 | per month |
| Monthly PRO Membership | $19.99 | per month |
| Monthly PRO Membership | $29.99 | per month |
| Annual PRO Discount | $29.99 | per year |
| Annual PRO Discount | $49.99 | per year |
| 6-Month PRO Membership | $56.99 | per 6 months |
| Annual PRO Membership | $69.99 | per year |
| Annual PRO Discount | $71.99 | per year |
| Annual PRO Membership | $83.99 | per year |
| Annual PRO Membership | $83.99 | per year |
| Annual PRO Membership | $89.99 | per year |
| Annual PRO Membership | $169.99 | per year |

**What reviewers like**

- 👍 Great for language practice
- 👍 AI is personable and engaging
- 👍 Provides corrections and explanations
- 👍 Wide range of language options
- 👍 Natural sounding AI voice

**What reviewers complain about**

- 🐛 Buggy and glitches
- 🐛 Freezes often
- 🐛 Hands-free mode is glitchy
- 🐛 Incorrect translations at times
- 🐛 Robotic and artificial voices

**Reported bugs**

- App settings change and can't contact support
- Recent update removed roleplay/topics
- App is buggy
- Makes users answer same questions each time
- App locked behind paywall without notice

**Requested features**

- Option to watch ads for more messages
- Ability to see pre-corrected version of messages
- Add Icelandic language
- Improve hands-free mode
- More natural sounding voices


### Kalkulus

[App page](https://appshunter.io/ios/app/kalkulus/id6794882155)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Tutor Lily free?

Tutor Lily is free to download, with in-app purchases available.

### Is Kalkulus free?

Kalkulus is free to download, with no in-app purchases.

### Do Tutor Lily or Kalkulus have ads?

Kalkulus shows ads; Tutor Lily does not.

### Which is updated more often, Tutor Lily or Kalkulus?

Tutor Lily ships an update fortnightly, and Kalkulus every 9 days. Most recently, Tutor Lily was updated on October 23, 2026 and Kalkulus on October 7, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*